health risks associated with tobacco use Cigarette Smoking | Smoking and Tobacco control | UICC

These include how often and how much tobacco they consume, biochemical markers (such as levels of cotinine, a by-product of nicotine metabolism) (covered in 12.5.6 Biomarkers of tobacco smoke and damage), and self-reported smoking behaviour measured in questionnaires

temperature affects the carbon and nitrogen metabolism of flue-cured tobacco

There is little direct evidence, however, on whether the age of starting to smoke, by itself, modifies the risk of smoking-related disease later, that is, whether starting to smoke during adolescence versus young adulthood increases the subsequent risk for such disease (International Agency for Research on Cancer 2004)

Both can lead to high blood pressure, which is one of the leading causes of a stroke

Regulations And Restrictions Legal frameworks differ significantly for heated tobacco and vaping